A person who talks, especially one who gives a speech, or is loquacious or garrulous.

Any creature or machine that talks.

(informal, media) A talk show

(informal, media) A talk-show host.

(informal, media) An all-talk radio station.

(informal, media) A popular topic of conversation.

(informal, politics) A talking point.

(Internet) A stripped-down version of a MUD which is designed for talking, predating instant messengers; a kind of early chat room.

(informal) Mouth.

(marketing) A table talker or shelf-talker.